PropertyHandle :: BlockEvents - Block events for event handlers
Event handlers installed by the application can be blocked temporarily by passing block_opt true ( YES ) to the function. The function returns the previous blocking state to the caller.
In order to reactivate event handlers, BlockEvents () might be called with block_opt false ( NO );
Return value: Block option ( logical )
The option indicated, whether the resource shall be blocked ( YES ) or unblocked ( NO ).
Implementation details
logical
PropertyHandle  :: BlockEvents ( logical block_opt )
- block_opt
- Block option
The option indicated, whether the resource shall be blocked ( YES ) or unblocked ( NO ).